/Engine/Source/Runtime/Navmesh/Public/Detour/DetourNavMeshQuery.h
BydefaultdtQueryFilterwill use virtual calls. On certain platforms indirect or virtual function call is expensive. The default setting is to use non-virtual functions, the actual implementations of the functions are declared as inline for maximum speed. To avoid virtual calls createdtQueryFilterwith inIsVirtual = false. Special link filter is custom filter run only for offmesh links with assigned UserId Used by smart navlinks in UE
struct dtQuerySpecialLinkFilter